Northside Health Library

Extraocular muscle function testing

Definition

Extraocular muscle function testing is an examination of the function of the eye muscles. A doctor observes the movement of the eyes in six specific directions.

Alternative Names

EOM; Extraocular movement; Ocular motility examination

How the Test is Performed

You are asked to sit or stand with your head erect and a forward gaze. Your health care provider will hold a pen or other object 12 inches in front of your face. He or she will then move the object in several directions and ask you to follow it with your eyes, without moving your head.

Review Date:
2/16/2011
Reviewed By:
David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.